70 entries in Numbers / Calculating / Mental Arithmetic
Creators Title Comments & References Source Page Categories
Carl Willmann Briefkasten answering letters, on the size of the print run (less than 500), holding breath under water, speed calculation Die Zauberwelt (Vol. 3 No. 3) 48
Olanthe Ein Besuch bei der Rechenkünstlerin Konorah on speed calculationRelated to Die Zauberwelt (Vol. 8 No. 7) 110
Olanthe Ein Besuch bei der Rechenkünstlerin Konorah part twoRelated to Die Zauberwelt (Vol. 8 No. 8) 125
Olanthe Ein Besuch bei der Rechenkünstlerin Konorah part three Die Zauberwelt (Vol. 8 No. 9) 142
Olanthe Ein Besuch bei der Rechenkünstlerin Konorah part fourRelated to Die Zauberwelt (Vol. 8 No. 10) 157
Oswald Rae Miracles of Memory mental arithmetic, and list of words, interesting solution and presentation for the mental arithmetic Sub Rosa 91
Charles Nagle The Addition of the Age quick addition stunt The Jinx 1-50 (Issue 19) 104
Charles Nagle Governmental Wizardry calculation puzzle The Jinx 1-50 (Issue Summer Extra 1936) 136
E.E. Hammill Psychic Uncle Sam "P$ychic Uncle $am", result of calculation shows initial number The Phoenix 1-50 (Issue 42) 173
L. Vosburgh Lyons Dizzy Discs speed summation and subtraction with number discs The Phoenix 51-100 (Issue 55) 226
Henry J. Young Two Number Tricks - All Alike
- The Predicted Total
Ireland's Yearbooks (Issue Yearbook 1944) 17
Max Katz Cube Root Extraction cube roots of numbers until 100 Hugard's Magic Monthly - Volumes I, II, III and IV (Vol. 1 No. 11) 47
Royal Vale Heath DY-Cyphering Trick method of quickly calculating five three digit numbers, second method with dice My Best 242
Verne Chesbro Chesbro On Heath's "Dy-Cyphering" coding numbers with dice My Best 244
Jack Miller The Magic Number Trick No. 52, Mathematical card trick Scarne on Card Tricks 93
Unknown Rapid Cube Root Extraction Find cube roots of numbers very quickly, mental calculation Mathematics, Magic And Mystery 157
Unknown Adding a Fibonacci Series Add up ten Fibonacci numbers very quickly, mental calculation Mathematics, Magic And Mystery 158
Royal Vale Heath, Ed Balducci Heath's "Di-ciphering" Five dice with different three digit numbers on each face. Roll the dice, magician can very quickly give the sum of the numbers rolled Mathematics, Magic And Mystery 106
Max Katz Mathematical Curiosities: Multiplication Short Cut 26 Originals 22
Tony Corinda Quick Calculations: Mental Arithmetic Mnemonics and Mental Systems 63
Tony Corinda (1) Squaring method for quickly squaring numbers from twenty-five to hundred Mnemonics and Mental Systems 63
Tony Corinda (2) Extraction of Square Roots Mnemonics and Mental Systems 64
Tony Corinda (3) Cubing Mnemonics and Mental Systems 64
Tony Corinda (4) Extraction of Cube Roots Mnemonics and Mental Systems 65
Tony Corinda, Al Baker The Application of the Mnemonic Number Code (1) for mental arithmetic
(2) for coding at the phone (Al Baker)
(3) two person act, arithmetic
(4) Corinda's "Fourteenth Book Test", coding with medium
Related to Mnemonics and Mental Systems 78
Dr. Chet Miller Math-O-Matics seven digit number added to other numbers Still More Miracles in Mentalism 52
L. Vosburgh Lyons, Thomas Alan Waters Mathematically Inclined ten digits used for longer calculation, result instantly seen by performer, for credit discussion see referenceRelated toAlso published here The Pallbearers Review Vol. 1-4 (Vol. 1 No. 11) 54
Chan Canasta Oops 1: Fifty years of history Numerical force to select a particular card on a grid of twenty cards, based on an important year to the spectator Book of Oopses 4
Chan Canasta Oops 9: Look out for a number 1089 force, prediction is 6801 on the page, must flip upside down to reveal predictionRelated to Book of Oopses 20
Dr. Ben B. Braude New Math number added with reversed number, left-out digit divined, "L'Illusioniste" ca. 60 years agoRelated to The Pallbearers Review Vol. 1-4 (Vol. 2 No. 12) 127
Bob Read Calculator Writing joke, result of a calculation is a hidden message on the calculator, see also page 87 for additional idea by Dr. Brum Antonioli Pabular (Vol. 1 No. 4) 51
John Scarne Roulette Paradox article about roulette bettingRelated to Epilogue (Issue 23) 213
Mark Weston The Calculator Business message writing with a calculator and multiplication curriosities Pabular (Vol. 1 No. 12) 140
Al Mann 1001 Mysteries on multiplying with 1001 The Pallbearers Review Vol. 9-10 (Vol. 10 No. 3) 838
Al Mann The Phantom Digits number multiplied with two other known numbers, total named, performer immediately names original number The Pallbearers Review Vol. 9-10 (Vol. 10 No. 3) 838
Karl Fulves Pocket Calculators building small calculators in pads for addition effects Interlocutor (Issue 2) 4
Roy Walton Baker Street Re-Visted cards with words on one side and numbers on the other. One card is selected and numbers added on a calculator, when turned over the result is the selected word. Pabular (Vol. 3 No. 4) 338
Unknown Lightning Addition No. 26, strips with number, speed addition demonstration with them Self-Working Mental Magic 39
Unknown Long Division No. 27, long number, performer knows whether it is divisible by four or how to change it so it is Self-Working Mental Magic 41
Unknown A 5¢ Computer No. 7, remainder in division is known, using calculator made from paper strip and paper frame Self-Working Number Magic 9
Karl Fulves Lightning Calculators chapter intro Self-Working Number Magic 31
Unknown Linear A No. 18, knowing whether an eighteen-digit number is divisible by seven Self-Working Number Magic 31
Unknown Slippery Sevens No. 19, producing numbers that are divisible by seven from given numbersRelated to Self-Working Number Magic 33
Unknown Alberti's Game No. 20, demonstration of quick multiplication and addition Self-Working Number Magic 34
Unknown The Fifth Power No. 21, spectator calculated fifth power of any number up to hundred, performer names original number Self-Working Number Magic 35
Unknown Playing the Market No. 22, quick addition demonstration Self-Working Number Magic 36
Unknown Tricky Total No. 23, quick multiplication demonstration Self-Working Number Magic 37
L. Vosburgh Lyons Mathematically Inclined No. 24, making a pyramid of numbers according to rules, final number predicted, Pascal's TriangleAlso published here Self-Working Number Magic 38
Unknown Fake Arithmetic No. 25, speed addition of five five-digit numbers Self-Working Number Magic 40
Unknown Ultraffinity No. 26, dividing a large number evenly by any digit except seven Self-Working Number Magic 42
Karl Fulves Dollars and Dice No. 27, serial number of bill, dice rolled, performer instantly adjusts serial number so it is divisible by other number Self-Working Number Magic 44
Unknown Second Saturday No. 71, knowing the first of a month when the second saturday's number is named Self-Working Number Magic 91
Unknown Rapid Boxscores No. 79, instantly figuring out product of two numbers Self-Working Number Magic 100
Piet Forton Der Alters- und Zahlenhellseher calculation procedure, age and thought of initial number can be divined Je geschickter desto Zauberer 9
Harry Lorayne Additions To HaLo's Revenge using a square of numbers Apocalypse Vol. 16-20 (Vol. 18 No. 6) 2517
Alan Jackson Diabolical Divisors Apocalypse Vol. 16-20 (Vol. 19 No. 3) 2626
Tom Daugherty Seven Magic Numbers Apocalypse Vol. 16-20 (Vol. 20 No. 8) 2826
Alan Jackson Mephistophalian Multipliers Apocalypse Vol. 16-20 (Vol. 20 No. 8) 2827
Karl Fulves, Derek Lever, Ralph W. Hull, Nate Leipzig Dot Com... "Tricks and stunts with numbers"Variations The Fine Print (Issue 5) 123
Karl Fulves Bit by Bit combo system introduction, binary numbersRelated to Combo 4
Sam Schwartz Add It "Dot Com - Tricks and stunts with numbers"
lightning calculation demonstration with four columns of numbers, reprint of instructions by Ed Mishell for Tannen's
The Fine Print (Issue 10) 350
David Berglas Memory and Mathematics pseudo mental arithmetic routine, spectators write cards with numbers, ends with a huge number, clever presentation The Mind & Magic of David Berglas 261
Richard Feynman Watch Calculation offset on watch to apparently give complicated answers to time queries Latter Day Secrets (Issue 10) 400
Karl Fulves Simple Binary simple way to get comfortable with binary numbersRelated to Prolix (Issue 1) 20
Roberto Giobbi Presentation and Handling for Six Guests in Five Rooms mathematical puzzle performed with finger Secret Agenda (Issue Jan 2) 4
Tomas Blomberg Mind Stress ten cards with ten three-digit numbers each, spectator thinks of one number, performer divines itAlso published here
  • marketed via Ben Harris's WowBound
Blomberg Laboratories 155
Unknown Finger Calculator for multiplication with 9 Hidden Agenda (Issue July 24) 212
Roberto Giobbi Mental Magic Opener: Magic by Know-how Hidden Agenda (Issue Oct 5) 286
John Wilson Euler and Water calculating fifth rootsAlso published here You and Me and the Devil Makes Three - Volume I 17
Rhys "Morgan" Jones, Robert "West" Tay The 40 Digit Hyperbrain Act forty numbers from billets written on grid on slate, miscalling, number sequence recalled by blindfolded performer, square root calculation with selected numbers, sum given
- Required Mathematics
Related to Parlour Tricks 301